# This program greets the user and welcomes them to our website.
# The function greet_user() is defined to print the greeting message.
def greet_user():
    print("Hello, user!")
    print("Welcome to our website!")


print("Start of program")
greet_user()
print("End of program")


def passed_user(first_name, last_name):
    print(f"Hi {first_name} {last_name}!")
    print("Congratulations! You have passed the exam!")


print("Start of program")
passed_user("John", last_name="Doe")
print("End of program")
